DYNAMIC MODEL OF SEAT-BUFFER WITH MR-DAMPER IN RE-ENTRY CAPSULE
The current seat-buffer system with gemel support of the re-entry capsule is noteffective for the multi-direction landing impact.In order to improve the buffersystem,the buffer-seat with a horizontal MR damper is presented.A two-degree offreedom MR-based seat buffer model is formulated in conjunction with animproved Bingham model.The semi-actively controlled MR-Damper employs theon-off control law in response to direction of the damper velocity.Numericalresults show that the peak values of the acceleration response both the chest-backand head-pelvis direction of the MR damper buffer with multi-direction landingimpact are lower than that of the seat buffer with gemel support.
MR damper Bingham model Buffer seat
Y.Xie D.K.Li Y.J.Lei
College of Aerospace and Material Engineering,National University of Defense and Technology,Changsha,Hunan 410073,China
国际会议
第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)
安徽黄山
英文
714-718
2008-06-03（万方平台首次上网日期，不代表论文的发表时间）